AA-513: Add segment event for logout
AA-513: Add segment event for logout

eduNEXT/edx-platform,EDUlib/edx-platform,eduNEXT/edunext-platform,EDUlib/edx-platform,eduNEXT/edunext-platform,arbrandes/edx-platform,eduNEXT/edx-platform,arbrandes/edx-platform,EDUlib/edx-platform,arbrandes/edx-platform,angelapper/edx-platform,edx/edx-platform,eduNEXT/edx-platform,eduNEXT/edunext-platform,edx/edx-platform,angelapper/edx-platform,arbrandes/edx-platform,eduNEXT/edunext-platform,eduNEXT/edx-platform,edx/edx-platform,angelapper/edx-platform,EDUlib/edx-platform,edx/edx-platform,angelapper/edx-platform